attribute vec4 a_position;
uniform mat4 u_formMatrix;
attribute vec4 a_Color;
varying vec4 v_Color;
attribute vec2 a_texCoord;
varying vec2 v_texCoord;
uniform float u_time;
varying float v_time;

 const mat4 translateMatrix =mat4( 
   vec4(1,0,0,0),
   vec4( 0,1,0,0),
    vec4(  0,0,1,0),
     vec4( -2,0,0,1) );
void main(void){
  vec4 position =vec4(a_position.x-2.,a_position.y,a_position.z,1.) ;
  gl_Position=u_formMatrix*position;
  v_texCoord=a_texCoord;
  v_Color=a_Color;

  v_time = u_time;

}